Patents by Inventor Richard T. Onstad

Richard T. Onstad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D325331
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: April 14, 1992
    Inventor: Richard T. Onstad